Welcome:

This simple website provides easy access to the Finer and Benaron-Benitz formulas used to calculate the fraction of inspired oxygen (FiO2) in newborn babies. We have also provided a "Hybrid" calculator which is based on both formulas.

To get started with the calculators, select one from the dropdown and check you are using the right one with the conditions of use. Insert your values, select your desired output and voila!

You can find more information on how we implement each formula in the calculators on its corresponding "How it Works" page.

For more information on this project in general, please refer to About Us.